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Scorpion4ik [409]
3 years ago
9

1.

Mathematics
1 answer:
Mama L [17]3 years ago
3 0

Answer: x=25, y=19

Step-by-step explanation: Because the triangle is equilateral, all the angles must be equal to 60 degrees. So 2x+10=60. 2x=50 and x=25. Then the same thing: 3y+3=60. 3y=57, y=19.

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Read 2 more answers
One number is seven more than twice another . If their sum is decreased my ten the result is twelve. Find the numbers
Rainbow [258]

Answer:

5, 17

Step-by-step explanation:

For this problem, you need to create a system of equations.

We can name one number x and the other y.

First equation: 2x + 7 = y

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We know y = 2x + 7, so we can substitute that into the second equation.

x + 2x + 7 = 22.

3x = 15

x = 5.

Plug x back into the first equation:

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3 0
3 years ago
05.02 LC)
nikklg [1K]

Answer:

x = 30

Step-by-step explanation:

30 + 2x = 90

2x = 60

x = 30

8 0
3 years ago
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